Features: 1. One Button To Water : Just one button, immediately water, convenient and quick 2. USB Charging : Using Android USB charging, long battery life 3. Free Moving : Miniature and stylish design, can be carried anywhere at any time, light and easy 4. It is very energy-saving. 5. Easy to install and use it. 6. Food grade silicone tube, odor-free, non-toxic, healthy and eco-friendly, use with absolute trust. 7. Portable device for both indoor and outdoor use like camping, picnic, activities, etc. 8. Suitable for a variety of models barrel. Specification : Rated voltage: 5V Rated power: 5W Rated frequency: 50Hza Material : ABS + 304 Stainless Steel Size :13 x 7.5 CM Silicone Tube Length:55mm Power:USB Charging Charging Time:3 - 4 Hours Applicable Barrel Type: Bottled Water Bucket / Threaded Port PC Bucket Applicable Capacity:4.5L / 5L / 7.5L / 10L / 11.3L / 15L / 18.9L Color:White/Black Package Including 1 x Water Pump 1 x Cable 1 x Silicone Nozzle Product type: Water Dispensers